Niobium carbide (NbC) is a refractory ceramic compound combining niobium metal with carbon, forming a hard intermetallic phase. It is used primarily in cutting tool coatings, wear-resistant composite materials, and high-temperature structural applications where extreme hardness and thermal stability are required. Engineers select NbC for its exceptional hardness, chemical inertness, and ability to maintain strength at elevated temperatures, making it a preferred choice over softer carbides in demanding machining, mining, and aerospace applications.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 43,532.8 | ksi | — | ||
| ↳ | 43,532.8 | ksi | — | ||
| ↳ | 43,457.7 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.2152 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2310 | - | — | ||
| ↳ | 0.2400 | - | — | ||
Shear Modulus(G)3 entries | 28,543.9 | ksi | — | ||
| ↳ | 28,543.9 | ksi | — | ||
| ↳ | 28,363.6 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2731 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -4.760 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.01450 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.7328 | eV/atom | — | ||
| ↳ | -0.5275 | eV/atom | — |